DE19806684C2 - Dienstdetektorschaltung und Verfahren - Google Patents

Dienstdetektorschaltung und Verfahren

Info

Publication number
DE19806684C2
DE19806684C2 DE19806684A DE19806684A DE19806684C2 DE 19806684 C2 DE19806684 C2 DE 19806684C2 DE 19806684 A DE19806684 A DE 19806684A DE 19806684 A DE19806684 A DE 19806684A DE 19806684 C2 DE19806684 C2 DE 19806684C2
Authority
DE
Germany
Prior art keywords
signal
service
autocorrelation
chip rate
cdma signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE19806684A
Other languages
German (de)
English (en)
Other versions
DE19806684A1 (de
Inventor
Colin D Frank
Jennifer A Honkisz
Brian D Storm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of DE19806684A1 publication Critical patent/DE19806684A1/de
Application granted granted Critical
Publication of DE19806684C2 publication Critical patent/DE19806684C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE19806684A 1997-02-28 1998-02-18 Dienstdetektorschaltung und Verfahren Expired - Fee Related DE19806684C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/808,446 US5974042A (en) 1997-02-28 1997-02-28 Service detection circuit and method

Publications (2)

Publication Number Publication Date
DE19806684A1 DE19806684A1 (de) 1998-09-10
DE19806684C2 true DE19806684C2 (de) 2002-05-23

Family

ID=25198779

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19806684A Expired - Fee Related DE19806684C2 (de) 1997-02-28 1998-02-18 Dienstdetektorschaltung und Verfahren

Country Status (14)

Country Link
US (1) US5974042A (ko)
JP (1) JP3031615B2 (ko)
KR (1) KR100321457B1 (ko)
CN (1) CN1117503C (ko)
AR (1) AR011875A1 (ko)
BR (1) BR9805111A (ko)
DE (1) DE19806684C2 (ko)
FR (1) FR2760303B1 (ko)
GB (1) GB2323501B (ko)
HU (1) HU220726B1 (ko)
MX (1) MX9801612A (ko)
PL (1) PL187735B1 (ko)
RU (1) RU2212762C2 (ko)
ZA (1) ZA9836B (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7860197B2 (en) 2006-09-29 2010-12-28 Samsung Electro-Mechanics Spectrum-sensing algorithms and methods

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3202658B2 (ja) * 1997-06-20 2001-08-27 日本電気株式会社 可変レートｃｄｍａ送信電力制御方式
US6553010B1 (en) * 1998-10-16 2003-04-22 Telefonaktiebolaget L M Ericsson Coverage detection and indication in multimedia radiocommunication system
US6317411B1 (en) * 1999-02-22 2001-11-13 Motorola, Inc. Method and system for transmitting and receiving signals transmitted from an antenna array with transmit diversity techniques
JP3438701B2 (ja) 2000-06-09 2003-08-18 日本電気株式会社 Ｄｓ−ｃｄｍａシステムにおける受信パスタイミング検出回路
US6778838B1 (en) * 2000-10-11 2004-08-17 Ericsson Inc. Phase null mitigation method
JP3851525B2 (ja) * 2001-08-09 2006-11-29 株式会社エヌ・ティ・ティ・ドコモ 移動局装置、移動通信システムおよびキャリア検出方法
GB2396275B (en) * 2002-12-09 2006-03-15 Ipwireless Inc Support of plural chip rates in a CDMA system
US20070092045A1 (en) * 2005-10-21 2007-04-26 Wangmyong Woo Systems, Methods, and Apparatuses for Fine-Sensing Modules
US7710919B2 (en) * 2005-10-21 2010-05-04 Samsung Electro-Mechanics Systems, methods, and apparatuses for spectrum-sensing cognitive radios
US7668262B2 (en) * 2005-10-21 2010-02-23 Samsung Electro-Mechanics Systems, methods, and apparatuses for coarse spectrum-sensing modules
US7528751B2 (en) * 2006-07-28 2009-05-05 Samsung Electro-Mechanics Systems, methods, and apparatuses for a long delay generation technique for spectrum-sensing of cognitive radios
JP5239529B2 (ja) * 2008-06-10 2013-07-17 富士通セミコンダクター株式会社 同期検出器及び通信機器
US8908546B2 (en) * 2008-09-04 2014-12-09 Koninklijke Philips N.V. Distributed spectrum sensing
US8055222B2 (en) * 2008-12-16 2011-11-08 Motorola Mobility, Inc. Multiple protocol signal detector
US9362979B2 (en) * 2011-01-04 2016-06-07 ABG Tag & Traq, LLC Ultra wideband time-delayed correlator
US8676147B1 (en) * 2012-11-30 2014-03-18 The Aerospace Corporation Detection system, controller, and method of detecting a signal of interest
CN105157899A (zh) * 2015-08-19 2015-12-16 南京工程学院 互反向含噪拟方波最大绝对值的搜索方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5063572A (en) * 1990-06-04 1991-11-05 Unisys Corporation Channelized delay and mix chip rate detector
US5157688A (en) * 1991-03-14 1992-10-20 Hughes Aircraft Company Spread spectrum transmitter for degrading spread spectrum feature detectors
WO1995010903A1 (fr) * 1993-10-14 1995-04-20 Ntt Mobile Communications Network Inc. Detecteur de correlation et appareil de communication
EP0738049A1 (fr) * 1995-04-14 1996-10-16 Agence Spatiale Europeenne Récepteur de signal à spectre étalé utilisant un seuil de détection autoadaptatif

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146471A (en) * 1989-03-23 1992-09-08 Echelon Systems Corporation Correlator for spread spectrum communications systems
US5341396A (en) * 1993-03-02 1994-08-23 The Boeing Company Multi-rate spread system
FR2710214B1 (fr) * 1993-09-15 1995-10-20 Alcatel Mobile Comm France Détecteur à seuil pour système de transmission radionumérique, dispositifs comprenant un tel détecteur à seuil et utilisation correspondante.
US5680414A (en) * 1994-09-09 1997-10-21 Omnipoint Corporation Synchronization apparatus and method for spread spectrum receiver
US5978679A (en) * 1996-02-23 1999-11-02 Qualcomm Inc. Coexisting GSM and CDMA wireless telecommunications networks
US5950131A (en) * 1996-10-29 1999-09-07 Motorola, Inc. Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5063572A (en) * 1990-06-04 1991-11-05 Unisys Corporation Channelized delay and mix chip rate detector
US5157688A (en) * 1991-03-14 1992-10-20 Hughes Aircraft Company Spread spectrum transmitter for degrading spread spectrum feature detectors
WO1995010903A1 (fr) * 1993-10-14 1995-04-20 Ntt Mobile Communications Network Inc. Detecteur de correlation et appareil de communication
EP0738049A1 (fr) * 1995-04-14 1996-10-16 Agence Spatiale Europeenne Récepteur de signal à spectre étalé utilisant un seuil de détection autoadaptatif

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7860197B2 (en) 2006-09-29 2010-12-28 Samsung Electro-Mechanics Spectrum-sensing algorithms and methods

Also Published As

Publication number Publication date
HUP9800431A3 (en) 2000-02-28
KR100321457B1 (ko) 2002-03-08
RU2212762C2 (ru) 2003-09-20
MX9801612A (es) 1998-11-30
GB9801291D0 (en) 1998-03-18
GB2323501B (en) 2001-08-22
KR19980070532A (ko) 1998-10-26
AR011875A1 (es) 2000-09-13
JP3031615B2 (ja) 2000-04-10
PL325086A1 (en) 1998-08-31
GB2323501A (en) 1998-09-23
US5974042A (en) 1999-10-26
FR2760303A1 (fr) 1998-09-04
CN1213260A (zh) 1999-04-07
DE19806684A1 (de) 1998-09-10
CN1117503C (zh) 2003-08-06
PL187735B1 (pl) 2004-09-30
FR2760303B1 (fr) 2003-04-18
BR9805111A (pt) 1999-12-14
HUP9800431A2 (hu) 1998-10-28
HU220726B1 (hu) 2002-05-28
JPH10256942A (ja) 1998-09-25
ZA9836B (en) 1998-07-07

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 8033

8328 Change in the person/name/address of the agent

Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee